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ID

VAR-202507-2593


CVE

CVE-2025-8137


TITLE

TOTOLINK  of  A702R  Buffer error vulnerability in firmware

Trust: 0.8

sources: JVNDB: JVNDB-2025-010213

DESCRIPTION

A vulnerability has been found in TOTOLINK A702R 4.0.0-B20230721.1521 and classified as critical. Affected by this vulnerability is an unknown functionality of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. TOTOLINK of A702R The firmware contains a buffer error vulnerability and a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. The TOTOLINK A702R is a wireless router manufactured by the Chinese company TOTOLINK, primarily used for home network connectivity and signal coverage. This vulnerability could allow an attacker to execute arbitrary code or cause the device to crash

Trust: 2.16

sources: NVD: CVE-2025-8137 // JVNDB: JVNDB-2025-010213 // CNVD: CNVD-2025-17537

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2025-17537

AFFECTED PRODUCTS

vendor:totolinkmodel:a702rscope:eqversion:4.0.0-b20230721.1521

Trust: 1.0

vendor:totolinkmodel:a702rscope: - version: -

Trust: 0.8

vendor:totolinkmodel:a702rscope:eqversion: -

Trust: 0.8

vendor:totolinkmodel:a702rscope:eqversion:a702r firmware 4.0.0-b20230721.1521

Trust: 0.8

vendor:totolinkmodel:a702r 4.0.0b20230721.1521scope: - version: -

Trust: 0.6

sources: CNVD: CNVD-2025-17537 // JVNDB: JVNDB-2025-010213 // NVD: CVE-2025-8137

CVSS

SEVERITY

CVSSV2

CVSSV3

cna@vuldb.com: CVE-2025-8137
value: HIGH

Trust: 1.0

OTHER: JVNDB-2025-010213
value: HIGH

Trust: 0.8

CNVD: CNVD-2025-17537
value: HIGH

Trust: 0.6

cna@vuldb.com: CVE-2025-8137
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

OTHER: JVNDB-2025-010213
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

CNVD: CNVD-2025-17537
severity: HIGH
baseScore: 9.0
vectorString: AV:N/AC:L/AU:S/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 8.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

cna@vuldb.com: CVE-2025-8137
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

OTHER: JVNDB-2025-010213
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2025-17537 // JVNDB: JVNDB-2025-010213 // NVD: CVE-2025-8137

PROBLEMTYPE DATA

problemtype:CWE-120

Trust: 1.0

problemtype:CWE-119

Trust: 1.0

problemtype:Buffer error (CWE-119) [ others ]

Trust: 0.8

problemtype: Classic buffer overflow (CWE-120) [ others ]

Trust: 0.8

sources: JVNDB: JVNDB-2025-010213 // NVD: CVE-2025-8137

EXTERNAL IDS

db:NVDid:CVE-2025-8137

Trust: 3.2

db:VULDBid:317533

Trust: 2.4

db:JVNDBid:JVNDB-2025-010213

Trust: 0.8

db:CNVDid:CNVD-2025-17537

Trust: 0.6

sources: CNVD: CNVD-2025-17537 // JVNDB: JVNDB-2025-010213 // NVD: CVE-2025-8137

REFERENCES

url:https://vuldb.com/?id.317533

Trust: 2.4

url:https://vuldb.com/?submit.620483

Trust: 2.4

url:https://github.com/panda666-888/vuls/blob/main/totolink/a702r/formipqos.md

Trust: 2.4

url:https://www.totolink.net/

Trust: 2.4

url:https://vuldb.com/?ctiid.317533

Trust: 1.6

url:https://nvd.nist.gov/vuln/detail/cve-2025-8137

Trust: 0.8

sources: CNVD: CNVD-2025-17537 // JVNDB: JVNDB-2025-010213 // NVD: CVE-2025-8137

SOURCES

db:CNVDid:CNVD-2025-17537
db:JVNDBid:JVNDB-2025-010213
db:NVDid:CVE-2025-8137

LAST UPDATE DATE

2025-08-06T23:20:57.187000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2025-17537date:2025-08-05T00:00:00
db:JVNDBid:JVNDB-2025-010213date:2025-07-30T04:59:00
db:NVDid:CVE-2025-8137date:2025-07-28T21:16:59.540

SOURCES RELEASE DATE

db:CNVDid:CNVD-2025-17537date:2025-08-05T00:00:00
db:JVNDBid:JVNDB-2025-010213date:2025-07-30T00:00:00
db:NVDid:CVE-2025-8137date:2025-07-25T08:15:26.330